Home / 254,976,693.29-381,673,331.35-138,101,767.37

Finding the Fourth Proportional to 254,976,693.29, 381,673,331.35 and 138,101,767.37

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Solution

The fourth proportional to 254,976,693.29, 381,673,331.35 and 138,101,767.37 is: 206,723,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,976,693.29 : 381,673,331.35 = 138,101,767.37 : x
  2. Step 2: Convert to fraction form
    254,976,693.29/381,673,331.35 = 138,101,767.37/x
  3. Step 3: Cross multiply
    254,976,693.29x = 381,673,331.35 × 138,101,767.37
  4. Step 4: Simplify right side
    254,976,693.29x = 52,709,761,615,177,016
  5. Step 5: Solve for x
    x = 52,709,761,615,177,016/254,976,693.29
  6. Step 6: Final answer
    x = 206,723,841.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.